204442022004 has 48 divisors (see below), whose sum is σ = 532500165120. Its totient is φ = 60511379040.

The previous prime is 204442021991. The next prime is 204442022017. The reversal of 204442022004 is 400220244402.

It is an interprime number because it is at equal distance from previous prime (204442021991) and next prime (204442022017).

It is a super-2 number, since 2×204442022004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18003664 + ... + 18015015.

It is an arithmetic number, because the mean of its divisors is an integer number (11093753440).

Almost surely, 2^204442022004 is an apocalyptic number.

It is an amenable number.

204442022004 is an abundant number, since it is smaller than the sum of its proper divisors (328058143116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204442022004 is a wasteful number, since it uses less digits than its factorization.

204442022004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36018740 (or 36018738 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 204442022004 its reverse (400220244402), we get a palindrome (604662266406).

The spelling of 204442022004 in words is "two hundred four billion, four hundred forty-two million, twenty-two thousand, four".